Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The best time to plant radishes in West Columbia can be figured out by looking at the USDA zone info.

Planting Calendar for Radishes

Frost tolerance for radishes:	Very tolerant of frost.
When to plant:	Up to 7 weeks before last frost.

Since radishes do well in cold you can plant them a lot earlier in the year than more sensitive plants.

The earliest that you can plant radishes in West Columbia is February. However, you really should wait until March if you don't want to take any chances.

The last month that you can plant radishes and expect a good harvest is probably September. Any later than that and your radishes may not have a chance to really do well. You can get started a couple of weeks earlier by starting your radishes indoors.

Last Frost Date

On average the last frost has passed is on March 15 in West Columbia. In the coldest months of winter you can expect an average low temperature of 10°F.

Since the USDA zone info for West Columbia is an average the actual date of last frost will vary from year to year. Since half of the time in West Columbia you get a frost after March 15 be ready to cover your radishes if you have a late frost.

USDA Zone Info for West Columbia

Here is the info for USDA Zone 8a.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	10°F
Highest Expected Low	15°F

This means that on a really cold year, the coldest it will get is 10°F. On most years you should be prepared to experience lows near 15°F.

Plants to Grow in West Columbia

You may be interested in your other planting guides for West Columbia.